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Grumman G-73 Mallard
The Grumman G-73 Mallard is a medium, twin-engined amphibious aircraft. Many have been modified by replacing the original Pratt & Whitney Wasp H radial engines with modern turboprop engines. Manufactured from 1946 to 1951, production ended when Grumman's larger SA-16 Albatross was introduced.
==Design and development==
Building on the success of the Goose and Widgeon, Grumman Aircraft developed larger G-73 Mallard for commercial use. Retaining many of the features of the smaller aircraft, such as twin radials, high wings with underwing floats, retractable landing gear and a large straight tail, the company built 59 Mallards between 1946 and 1951. Unlike the smaller aircraft, the Mallard featured tricycle gear, stressed skin, a two-step hull and wingtip fuel tanks.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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